1285706460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{240769}}^1$

素因数の和:240870

約数の個数: 48

約数和(自身を含む): 3640442400

約数和(自身を除く): 2354735940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 240769, 481538, 722307, 963076, 1203845, 1444614, 2407690, 2889228, 3611535, 4815380, 7223070, 14446140, 21428441, 42856882, 64285323, 85713764, 107142205, 128570646, 214284410, 257141292, 321426615, 428568820, 642853230, 1285706460]

約数ペア:

[(1, 1285706460), (2, 642853230), (3, 428568820), (4, 321426615), (5, 257141292), (6, 214284410), (10, 128570646), (12, 107142205), (15, 85713764), (20, 64285323), (30, 42856882), (60, 21428441), (89, 14446140), (178, 7223070), (267, 4815380), (356, 3611535), (445, 2889228), (534, 2407690), (890, 1444614), (1068, 1203845), (1335, 963076), (1780, 722307), (2670, 481538), (5340, 240769)]